JPS6041974A - Protector of transfusion circuit connecting part - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a novel infusion circuit junction protector.

Specifically, it is related to a protector for keeping the joints of various medical infusion circuits in a sterile condition.It has excellent bacterial contamination prevention function, and can be attached and detached from the circuit joint with simple movements. The present invention aims to provide a new infusion circuit joint protector that is easy to operate and has excellent operability.

BACKGROUND TECHNOLOGY AND CONSIDERATIONS Various infusion circuits in medical care, such as infusion circuits for injecting or extracting blood, nutrient solutions, and various dialysates (hereinafter referred to as "infusion fluids") into the human body's blood vessels or intraperitoneal cavity. Usually, there are several joints, such as the infusion outlet of an infusion bag or infusion bottle and the infusion tube, the infusion tube and the infusion needle or catheter, or the drip tube or flow rate regulator interposed in the infusion tube. The circuits are joined by fitting the joint pipe portions at each end of the inner joint portions to each other. In order to prevent so-called bacterial contamination, such joining pipes are stored in a sterilized state, or they are disinfected or sterilized (hereinafter referred to as ``disinfection, etc.'') immediately before being joined. ) processing is performed. However, disinfection and the like to prevent bacterial contamination before bonding is insufficient. In other words, even if the bonding is done under sterile conditions, bacteria may enter the infusion circuit through the tiny gaps in the bonded area, resulting in various complications. This is because it may occur. Therefore, it is necessary to keep such joints in a sterile state by continuing to disinfect them even after the joints have been joined.

FIG. 1 shows an example of conventional maintenance means such as disinfection for such a joint, which is a conventional and common means.

In the figure, a is an infusion collection tube whose proximal end is welded to the opening C of the tip edge of the infusion bag (not shown), and a small diameter joint tube d is integrally connected to the tip. has been done. e is a joint member, which includes a main body g having a flange f formed at its tip, a substantially syringe needle-shaped joint tube portion protruding forward from the flange f, and a joint member from the rear end of the main body g. It consists of a protruding joint pipe part i, and the proximal end part j of the front joint pipe part is formed to have a large diameter. Although not shown in the drawings, a blocking membrane is formed in the intermediate portion of the infusion tube a on the bag side. Moreover, k is an infusion tube joined to the joining tube part i on the rear side of the joint member e. Thus, the joint tube part on the front side of the joint member e is inserted into the exposed infusion tube a until the tip of its proximal end j abuts the tip of the joint tube part d on the bag side. As a result, the outer circumferential surface of the joint tube portion and the inner circumferential surface of the joint tube portion d are joined to each other in close contact, and the tip of the joint tube portion on the side of the joint member e breaks through the above-mentioned occlusion membrane. The infusion circuit is configured.

After the rejoining tube parts d and h are joined in this manner, the disinfection maintaining means is quickly applied to this joint. That is, t is a disinfectant cloth impregnated with an appropriate disinfectant solution, and first, this disinfectant cloth 1 is applied to the above-mentioned joint area, that is, the part where the tips of the rejoining tube parts d and h are joined to each other, and the surrounding area. Wrap it around the part. Next, gauze m is wrapped around the disinfectant cloth wrapped as described above, and finally, a suitable medical adhesive tape n is wrapped around the disinfectant cloth. As a result, the sterilization state of the joint by the disinfectant cloth 1 can be maintained.

The conventional maintenance methods such as disinfection shown in Figure 1 are as follows.
Although it has the advantage that all the members constituting the means can be made of general-purpose members, it has a significant drawback in its operability. That is, as mentioned above, the extremely troublesome work of wrapping a disinfectant cloth, gauze, and then tape is required, and moreover, these tasks are carried out while holding the joint member e with one hand and with the other hand. Therefore, the work is time-consuming and extremely complicated. Furthermore, there is also the problem that while the disinfectant cloth is being wrapped, the chemical solution impregnated with the disinfectant cloth may adhere to the fingers and the like, staining the fingertips. Moreover, when performing such troublesome work, there is a risk that the fingertips may touch the joints and cause bacterial contamination.

Therefore, in order to solve the problems of such maintenance means such as disinfection, a means using an attachment type protector has been proposed. FIG. 2 shows an example of such a protector. In the figure, O is a plastic case, and two casing halves p and q, each formed in the shape of a lid, are connected to each other via a hinge r so that they can be opened and closed, and one side of the casing half p A locking protrusion S is formed in the casing half q, and a recess t is formed in the locking f on one side of the other casing half q. Therefore, by closing the opening surfaces of the casing halves p and q so as to overlap each other, a substantially box-shaped case 0 can be constructed, and in the closed state, the locking protrusion S and the locking recess t and are held by being engaged with each other.

U, U, exposure φ-shape are semicircular notches/four parts formed on the opening edges of the two parallel sides of each casing half p and q, and the casing halves p and q are closed to each other. When the opening is opened, a circular opening is formed. In addition, ■ is a disinfectant cloth similar to the disinfectant cloth ■ shown in Fig. 1 above, and the casing halves p and q
are stored inside each. With the casing halves p and q open as shown, the flange f of the joint member e is placed inside the casing half p along one case side, and the joint pipe d is inserted into the recess. When both casing halves p and q are closed, case 0 is attached to the infusion circuit so as to surround the joint, and the disinfectant cloth V is brought into contact with the outer peripheral surface of the joint. It becomes like this.

Since the protector shown in Fig. 2 is constructed as described above, the work of installing it can be done with a substantially simple operation, and although it is simple, the attached protector is not attached to the joint member e and Since it is largely protruded from the infusion extraction tube a, there is a risk that the protector will get caught on something and come off, and there is also a lack of certainty that the disinfectant cloth V will be brought into close contact with the joint. Furthermore, since the shape of the case is complicated, manufacturing costs are high.

Furthermore, among conventional disinfection methods, there is one that uses ultraviolet irradiation. This method performs disinfection by irradiating the joint pipe with ultraviolet rays, and is a very costly method that includes an ultraviolet irradiation device. Therefore, it can be used in medical care for hospitalized patients, but it can also be used in medical care for home-based patients.
Or it is inappropriate for medical treatment when going out.

In particular, various types of dialysis medical treatment may need to be performed continuously day and night, and may even need to be performed while out. In such a case, it is virtually impossible to carry and use such a costly device as described above under any circumstances.

Purpose of the Invention The present invention has been devised in view of the various problems mentioned above, and has an excellent function of preventing bacterial contamination, allows extremely easy installation to the circuit joint, and ensures reliable installation. An object of the present invention is to provide a new infusion circuit joint protector that can be maintained and compactly attached to the circuit.

SUMMARY OF THE INVENTION In order to achieve the above-mentioned objects, the infusion circuit joint protector according to the present invention includes, firstly, a case formed into a substantially cylindrical shape with both ends open, and a joint tube mounted inside the case. and a substantially cylindrical chemical solution holding material through which the drug solution holding material is inserted, and the case is characterized in that an injection port is formed in the case to impregnate the drug solution holding material with the drug solution. Second, there is a case formed into a substantially cylindrical shape with both ends open, and a disinfectant that is installed inside the case and has a joint tube inserted through it, and is impregnated with a chemical solution such as disinfectant. Thirdly, it consists of a case formed in a substantially cylindrical shape with both ends open, and a drug solution holding material in a substantially cylindrical shape that is attached to the inside of the case and into which the joint tube portion is inserted, - The chemical solution retaining material is made of a material with high expansion properties due to water absorption, and in the state before being impregnated with the chemical solution, the inner diameter is larger than the outer diameter of the joint pipe section and the outer diameter is smaller than the inner diameter of the case. Fourthly, the case is made of a transparent material such as a transparent synthetic resin and is formed into a substantially cylindrical shape with both ends open, and the joint tube part is inserted into the case and is installed inside the case. and a roughly cylindrical chemical solution holding material, characterized in that the chemical solution holding material is formed with a slit extending along the axial direction of the case. The case and/or the chemical solution holding material are made up of a case formed in the case, and a substantially cylindrical drug solution holding material that is attached to the inside of the case and into which the joint tube section is inserted. It is characterized by having a length that allows it to be pulled out with the tip of the one joint tube section covered when it is pulled out from the joint tube section of the other joint tube section.

EXAMPLES Below, details of the infusion circuit joint protector according to the present invention will be explained according to each example shown in the accompanying drawings.

First Embodiment FIGS. 3 to 7 show a first embodiment 1 of the infusion circuit junction protector of the present invention.

In the figure, 2 is a case formed into a substantially cylindrical shape, and is made of a hard synthetic resin material, for example, a polyester plastic material.
It consists of a grip part 4 which is integrally formed at one end of the body part 3 and has a slightly larger diameter than the main body part 3.

Although the inner diameter of the main body portion 3 is not necessarily determined, it is formed larger than the diameter of the joint pipe portion that constitutes the two joint portions of the infusion circuit to which the protector 1 is attached. One end of the case 2 is closed by a wall 6 having an opening 5 formed in the center. The other end of the case 2 is substantially entirely opened lower, and the opening edge 8 is bent inward. Therefore, the case 2 is opened by 5.7 at both ends in the axial direction. The diameter of the opening 5 at one end is approximately the same as the diameter of the joint tube of the infusion circuit joint described above, but at least the joint tube can be easily inserted through this opening 5. It is desirable that the And part of case 2! I! 6 is formed with slit-shaped inlet portions 9.9, . . . extending radially from the periphery of the opening 5.

1O is a chemical solution holding material installed inside the case 2, and in this embodiment, a material obtained by punching out a cellulose sponge made of a cellulose material into a sponge shape into a substantially cylindrical shape is used.

Reference numeral 11 denotes a tribute hole formed in the axial center of the chemical solution holding material 10. The chemical solution holding material 10 is installed inside the case 2. This constitutes a protector 1 in which a substantially cylindrical chemical liquid holding material IO is disposed.

FIG. 5 shows an example of an infusion circuit junction to which the protector 1 described above is attached. The infusion circuit shown in this example is an example of an infusion circuit used for peritoneal dialysis. In the figure, 12 is an infusion bag made of thermoplastic synthetic resin material, which is formed by overlapping two sheets and welding the overlapping edges 13, 13, . . . to form a bag with a sealed space. is formed. Reference numeral 14 designates an infusion collection tube of the bag 12, which is integrally welded so that its proximal end is sandwiched between the distal edges of the two sheets of the bag 12 described above. Reference numeral 15 denotes a joint tube section provided at the tip of the infusion fluid collection tube 14, and the proximal end of the joint tube section 15 is press-fitted into the front end of the infusion fluid collection tube 14 and integrally welded to each other. There is. Note that a relatively thin occlusion membrane 16 is formed in advance at the proximal end of the joint tube section 15, and this occlusion membrane 1
6 is a plug member of the infusion liquid extraction tube 14.

Reference numeral 17 denotes an infusion tube, which is used to transport the dialysate in the infusion bag 12 into the abdominal cavity, and has an infusion needle, catheter, or the like connected to its tip.

18 is a joint member that connects the infusion solution extraction tube 14 and the infusion tube 17 of the above-described infusion solution bag 12, and includes a main body portion 19 formed in a substantially rectangular shape and a flange portion 20 integrally formed at the tip of the main body portion 19. , a substantially syringe-shaped joint tube portion 21 protruding forward from the center of the collar portion 20 , and a main body portion 19 .
It consists of a joint tube part 22 protruding from the rear end, and is made of a hard synthetic resin material. A hole 23 is formed in the axial center of the joint member 18, passing through from the tip of the front joint tube section 21 to the rear end of the rear joint tube section 22. The distal end of the front joint tube section 21 is cut obliquely to have a sharp shape, and the outer diameter of the proximal end 24 is larger than the other portions.

Thus, the proximal end of the infusion tube 17 is tightly fitted onto the joint tube section 22 on the rear side of the joint member 18, and the joint member 18 and the infusion tube 17 are connected by this 5. Note that in normal cases, the infusion tube 17 is substantially fixedly connected to the joint member 18, and the two members are not separated from each other. joint pipe part 22
The proximal end of the infusion tube 17 may be welded together, and the joint may be appropriately sealed.

Further, the joint tube section 21 on the front side of the joint member 18 is inserted into the joint tube section 15 on the side of the infusion bag 12 and connected to each other, and the above-mentioned protector 1 is attached when performing this connection.

The working procedure for this connection and attachment of the protector 1 will be explained in order from (A) to (C) in FIG. 6. First of all,
From the state shown in Figure (A), the middle part of the infusion collection tube 14 is held between appropriate medical clips 25, and the protector l is attached to the joint tube part 15 in an externally fitted manner (the state shown in Figure (B)). . At this time, the protector 1 is fitted onto the joint pipe part 15 from the side where the grip part 4 of the case 2 is formed until the wall 6 at one end of the case 2 abuts the tip of the bare pipe 14. . In this state, the tip of the joint tube section 15 is in a position retracted toward the center side from the other end of the chemical solution holding material 10, so that the entire outer peripheral surface of the joint tube section 15 is surrounded by the chemical solution holding material IO. becomes. Therefore, from the state shown in Figure (B), the front joint tube section 21 of the joint member 18 is press-fitted into the joint tube section 15 of the infusion collection tube 14. This press fit is done on the joint member 18.
This is done until the end surface of the proximal end 24 of the side joining tube section 21 abuts the tip of the joining tube section 15.

In this press-fitting process, the tip of the joint tube section 21 on the front side of the joint member 18 breaks through the occlusion membrane 16 and is inserted into the infusion tube 14, thereby connecting the infusion solution collection tube 14 and the hole 23 of the joint member 18 with the infusion solution. The tube 17 is integrally connected to constitute an infusion circuit, and the outer peripheral surface of the proximal end 24 of the joint tube section 21 of the joint member 18 is surrounded by the drug solution holding material 10 of the protector 1.

Therefore, the joint between the infusion bare tube 14 and the joint member 18, that is, the abutment between the distal end of the joint tube section 15 and the distal end of the proximal end section 24 of the joint tube section 21 is surrounded by the drug solution holding material 10. state. In this state, since the case 2 is fitted onto the joint pipe parts 15 and 21, which are tubular members, removal of the case 2 is prevented, and one end surface of the case 2 is attached to the infusion collection tube 14. Since the other end of the case 2 is abutted against the front side of the flange 20 of the joint member 18, the position of the case 2 is prevented from shifting. Securely held at the infusion circuit junction.

In this way, in a state where both the joint pipe parts 15 and 21 are connected to each other and the protector l is attached to the joint part, the chemical solution retaining material 10 of the protector 1 is formed on one end wall 6 of the case 2. Inlet part 9.9,・
Inject an appropriate disinfectant solution from ... using a dropper, etc. This disinfectant solution may be of any kind as long as it is harmless even if absorbed into the human body, but it is preferable to use a disinfectant solution such as polyvinylpyrrolidone (P, V, P) or betadine.

Therefore, the chemical solution holding material IO is impregnated with the above-mentioned disinfectant, and the impregnated disinfectant is leached out onto the outer circumferential surfaces of the proximal end portions 24 of the joint pipe portion 15 and the joint pipe portion 21. The joints are disinfected, and this state of disinfection continues until the protector 1 is removed.

Therefore, the joint can always be kept sterile by the protector I.

After the circuit is connected as described above, the infusion bag 12 is hung on a suitable medical stand through the holes 26, 26 formed in the welded peripheral edge 13. A catheter or the like connected to the tip of the infusion tube 17 is inserted into the abdominal cavity, and the infusion bag 12 is inserted into the abdominal cavity.
The dialysate inside the peritoneal cavity is supplied into the peritoneal cavity, thereby performing peritoneal dialysis. When a predetermined dialysis is completed, the dialysate supplied into the peritoneal cavity is returned to the infusion bag 12, and if necessary, the infusion collection tube 14 of a new infusion bag 12 and the joint member 18 are connected. 9. Continue with the next dialysis. At this time, that is, when replacing the infusion bag 12, the connection with the previous infusion bag 12 is removed, and the protector of the present invention has advantages even when this removal is performed. This is because when performing this removal, grasp and hold the infusion collection tube 14 with one hand, grasp and hold the joint member 18 and the grip part 4 of the protector l with the other hand, and then pull both. When released, the protector l is separated from the circuit together with the joint member 18. Next, the protector 1 is removed from the joint member 18, but when the protector l is removed, the chemical solution holding material 10 is moved so as to wipe the outer circumferential surface of the joint pipe portion 21 of the joint member 18. This is because, as a result, disinfection of the outer circumferential surface of the joint pipe portion 21 will inevitably be performed. Therefore, when replacing the bag, the joint pipe portion 21 of the joint member 18 tends to become contaminated with bacterial contamination in the air, etc. However, according to the protector I of the present invention, the bag can be replaced easily. Even when this is done, the joint can always be kept sterile.

The material for the chemical solution retaining material 10 is not limited to cellulose sponge, but may be any material suitable for impregnating and retaining the chemical solution.

For example, urethane sponge, nonwoven fabric, absorbent cotton, gauze, etc. can be used.

Second Embodiment FIGS. 8 to 10 show a second embodiment of the protector of the present invention. The protector 1a shown in this second embodiment is one in which the operability of the protector 1 shown in the first embodiment is further improved. It should be noted that for the parts of the protector 1a shown in this embodiment that are not different in shape from those of the first embodiment 1 described above, the same reference numerals as in the first embodiment are given the same reference numerals as those in the first embodiment.
Attach the symbol with aJ.

In the figure, 2a is a case, and the case 2a in this embodiment is made of a transparent material, for example, a transparent synthetic resin. In addition, in this embodiment, inlet ports 27, 27, . ing. 28 is a protrusion formed in an annular shape along the inner opening of the opening 5a at one end. 29 is a guideline provided at a predetermined location on the outer peripheral surface of the main body 3a of the case 2a, forming a shallow groove,
It is formed by applying vermilion paint or the like thereto.

Reference numeral 30 denotes a chemical liquid holding material formed in a substantially cylindrical shape, and in this embodiment, it is made of a material that has a high expansion property due to water absorption, such as a material made of a cellulose-based raw material formed into a sponge shape. The chemical solution holding material 30 in this embodiment has an inner diameter larger than the outer diameter of the above-mentioned joint pipe parts 15 and 21 before it is impregnated with the drug solution, and an outer diameter that is the inner diameter of the case 2a. formed smaller. Furthermore, a slit 31 extending along the axial direction is formed in the chemical solution holding material 30, so that the cross-sectional shape of the chemical solution holding material 30 is approximately C-shaped.

Thus, the chemical solution holding material 30 is installed in the case 2a such that one end of the through hole 11a is fitted onto the annular protrusion 28 formed on the inner opening periphery of the opening 5a at one end of the case 2a. .

The protector 1a configured in this manner is centered on the portion where the joint tube portion 15 on the side of the infusion tube and the joint tube portion 21 of the joint member 18 are joined, in the same manner as in the first embodiment. The protector 1a is attached so as to surround the outer circumferential surfaces of both joint pipe portions, and the work of attaching the protector 1a can be carried out extremely smoothly and reliably. That is, first, since the inner diameter of the chemical solution holding material 30 in this embodiment is larger than the outer diameter of the joint tube section 15 as described above, first, the protector la is fitted into the joint tube section 15. At this time, the joint tube section 15 can be easily inserted into the through hole 11a of the chemical solution holding material 300, and secondly, it is also easy to insert the joint tube section 21 of the joint member 18 into the through hole 11a of the chemical solution holding material 30. It is from. Therefore,
At the time when the protector 1a is attached to the joint part of the infusion circuit, the drug solution holding material 30 is not in contact with the entire outer circumferential surface of the joint tube part. Second, case 2 in this example
a has a transparent structure, and a slit 3 extending in the axial direction is provided in the chemical solution holding material 30 installed in the case 2a.
1 is formed, so that the joint tube section 15 surrounded by the protector 1a and the joint tube section 21 of the joint member 18 that is passed through the protector 1a and press-fitted into the joint tube section 15 are connected to the case 2a to hold the chemical solution. Slit 3 of material 30
1 and can be visually recognized from outside the case. Therefore, the joint pipe part 21 of the joint member 18 can be press-fitted while viewing the position of the distal end of the joint pipe part 15 from the side of the case, so that the press-fitting operation can be carried out extremely easily. Moreover, the distal end of the joint tube section 21 of the joint member 18 press-fitted into the joint tube section 15 is connected to the occlusion membrane 1.
Since it is possible to visually check from the outside of the case whether or not the joint 6 has been reliably penetrated, the joined state can be ensured. Reference numeral 32 is a guideline provided at a predetermined location of the joint pipe portion 21 of the joint portion 4 material 18, and the guideline 32 and the guideline 29 provided on the case 2a are placed at a position where they overlap each other for joining. Once press-fitted, the joint member 18
It is possible to know that the distal end of the joint tube section 21 has been press-fitted to a position where it reliably breaks through the occlusion membrane 16. These guidelines 32 and 29 are particularly advantageous in cases where the internal state cannot be visually observed through the wall of the joint tube section 15, such as when the joint tube section 15 is formed of an opaque material.

When the above-mentioned disinfectant is injected into the chemical solution holding material 30, the chemical solution holding material 30 gradually expands due to water absorption, and the inner peripheral surface of the through hole 11a is formed between the joint pipe section 15 and the joint pipe section 21. It comes into pressure contact with each outer peripheral surface of the base end portion 24, and the outer peripheral surface also comes into pressure contact with the inner peripheral surface of the case 2a. Therefore, the joint part of the infusion circuit is connected to the chemical solution holding material 30 impregnated with disinfectant.
The sterile state of the joint is maintained.

Third Embodiment FIGS. 11 to 13 show a third embodiment 1b of the protector of the present invention. The protector tb shown in the third embodiment is configured to reliably prevent bacterial contamination at the joint, especially bacterial contamination caused by fingers, etc. when removing the protector from the joint. It is. The structure of the protector 1b shown in this example is only characterized by the size such as the axial length of the case and the chemical solution holding material, and other shapes etc. are the same as shown in the first example. There is no difference from Protector I, so the numbers for each part are as follows.
An additional code rbJ will be added to the reference numerals used in the embodiment, and a detailed explanation will be omitted.

The axial lengths of the case 2b and the chemical solution holding material tob of the protector 1b in this embodiment are longer than the respective axial lengths of the case 2 and the chemical solution holding material 10 in the first embodiment.

That is, as shown in FIG. 12, the length of the case 2b in the axial direction is slightly longer than the length of the joint tube portion 21 of the joint member 18 in the infusion circuit to which the case 2b is attached. Further, corresponding to the length of the case 2b, the length of the drug solution holding material tab is also approximately the same as the length of the above-mentioned joint pipe portion 21.

Note that the drug injection portions 33, 33, φ... formed in the case in this embodiment are formed by forming the drug solution holding material lOb long, so that, for example, as shown in the figure, the peripheral wall portion of the case 2b and the one end wall 6b It is preferable to form a large number of them. In addition, the diameter of the opening 5b at one end of the case 2b is the same as that of the infusion tube 1.
The outer diameter is about the same as or slightly larger than the outer diameter of No. 4. That is, the protector 1b in this example is
This is because when this is attached to the junction of the infusion circuit, it surrounds the tip of the infusion tube 14. Therefore, it is desirable to take measures 7 to prevent the protector 1b attached to the joint from being moved in the axial direction. A protrusion 34 for locking the protector is formed on the surface.

Thus, the chemical solution holding material 10b is attached to the inside of the case 2b, thereby forming a protector 1b.

Therefore, the protector tb configured in this way is
It is attached to the junction of the infusion circuit according to the same procedure as in the first embodiment (see FIG. 12). When a predetermined dialysis is completed, the joint of the infusion circuit is uncoupled, but according to the protector 1b in this embodiment, when the joint tube part is removed, it is necessary to remove the joint from the infusion circuit 18 side, that is, for continued use. Bacterial contamination of the joint pipe section 21 on the side to be connected can be effectively prevented. That is, from the state shown in FIG.
When removing the joint member 18 from the joint pipe part 15 on the 4 side, as shown in FIG. Part 2
1 is pulled out while being surrounded by the protector ib, and the joint tube section 21 is pulled out to its tip.
The protector 1b is pulled out while being housed in the case 2b over its entire length. Therefore, there is no risk that the fingertip or the like placed on the protector tb will come into contact with the joint tube section 21, and there is no risk that the joint tube section 21 will be contaminated by bacteria attached to the fingertip.

Modifications The protector of the present invention is constructed as shown in each of the above-mentioned embodiments, but there are several further modifications that can be considered.Firstly, in each of the above-mentioned embodiments, the addition of disinfectant to the chemical solution holding material is Although this is carried out after the protectors 1, 1a, and lb are attached to the joints of the infusion circuit, the chemical solution holding material may be impregnated with a disinfectant solution in advance. In this case, preferably the protectors 1, 1a, 1b
It is preferable that the product be packaged so that it is stored in a suitable sealed storage bag or the like and delivered to the user's hand. By packaging in this manner, it is possible to prevent the disinfectant from evaporating and to keep the protectors 1, 1a, and 1b as sterile as possible until just before use, which is preferable from a sanitary perspective.

Next, although the shape of the case is cylindrical in each of the above-mentioned embodiments, when the protector 1 is attached and detached,
It would be convenient if the la and lb were formed in a shape that would prevent them from tipping over when placed on a tabletop or medical pallet. For example, the case 2C may have a substantially rectangular cylindrical shape as shown in FIG.
Various shapes are possible, such as d.

In addition, in the above-mentioned examples, the material of the chemical solution holding material is as follows:
Although cellulose sponge is shown, urethane sponge, various nonwoven fabrics, absorbent cotton, gauze, etc. may also be used.In addition to the materials shown in the above examples, the case material may also be acrylic, polycarbonate,
Various synthetic resins such as polyethylene and nylon can be used.

Furthermore, as for the disinfectant solution to be impregnated into the chemical solution retaining material, in addition to the above-mentioned disinfectant solution, pensalkonium chloride solution and other chemical solutions having various disinfection or sterilization functions may be used.

In each of the embodiments described above, the joint between the exposed tube of the infusion bag of the infusion bag and the joint member of the infusion tube in the infusion circuit for peritoneal dialysis is exemplified as the joint of the infusion circuit to which the protector of the present invention is attached. However, the protector of the present invention can be widely applied as a protector for keeping various joints of various infusion circuits in a sterile state in various other medical treatments.

Effects of the Invention As is clear from the above description, the first protector for an infusion circuit joint according to the present invention includes a case formed in a substantially cylindrical shape with both ends open, and the case. and a substantially cylindrical drug solution holding material that is mounted inside the case and through which the joint tube section is inserted, and the case is characterized in that an injection port for impregnating the drug solution holding material with the drug solution is formed in the case.

Therefore, when joining the joint parts, if the protector is fitted onto one joint pipe part and the other joint pipe part is inserted, the protector can be easily inserted into the joint part and the attached state is reliably maintained unless the bonded state of the joint is broken.

Moreover, since the chemical solution holding material is stored in the case in advance, hands are not soiled by the disinfectant solution impregnated into the chemical solution holding material. Since the protector is attached along the axial direction of the joint, the protector does not protrude laterally from the circuit member of the infusion circuit and does not become a hindrance.

Moreover, the second protector of the joint part of the water cycle circuit of the present invention includes a case formed in a substantially cylindrical shape with both ends opened;
The protector is attached to the inside of the case and has a joint tube inserted through it, and is characterized by being made of a disinfectant impregnated with a chemical solution such as a disinfectant solution, so the chemical solution can be added after the protector is attached. There is no need to do this, making handling even easier.

The third protector for the infusion circuit junction of the present invention includes a case formed in a substantially cylindrical shape with both ends open;
It consists of a substantially cylindrical chemical solution holding material that is installed inside the case and through which the joint pipe part is inserted, and the drug solution holding material is made of a material that has high expansion properties due to water absorption, and is in a state before being impregnated with the chemical solution. Since the inner diameter is larger than the outer diameter of the joint pipe part and the outer diameter is smaller than the inner diameter of the case, the joining operation of the joint pipe parts can be performed extremely easily. Second, the chemical solution holding material can be brought into reliable contact with the joint.

The fourth protector of the infusion circuit junction of the present invention is attached to a case made of a transparent material such as a transparent synthetic resin and formed into a substantially cylindrical shape with both ends open, and is attached to the inside of the case. It consists of a roughly cylindrical chemical solution holding material into which the tube is inserted, and the chemical solution holding material is characterized by having a slit extending along the axial direction of the case, so that it cannot be accessed from the outside of the case. Since the joining operation can be performed while visually confirming the joining pipe portion, the joining operation can be easily performed and the joining can be performed reliably.

The fifth protector of the infusion circuit joint of the present invention includes a case formed into a substantially cylindrical shape with both ends open, and a roughly cylindrical drug solution mounted inside the case and into which the joint tube portion is inserted. The case and/or the chemical solution holding material has a length that allows the case and/or the chemical solution holding material to be removed together with one joint pipe section from the other joint pipe section with the tip of the one joint pipe section being unloaded. Because it is characterized by the fact that the joint pipe part is removed, the fingers, etc. placed on the protector do not come into contact with the joint pipe part, and the protector does not come into contact with the joint pipe part. Contamination by bacteria can be effectively prevented.

According to the protector of the present invention, the protector has an excellent function of preventing bacterial contamination of the infusion circuit joint, and is also novel and has excellent operability, such as being able to be attached to and removed from the circuit joint with a simple operation. A protector for the infusion circuit junction can be provided.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of a conventional disinfectant holding means for the infusion circuit joint, and Fig. 2 is the same. Figure 3 shows a first embodiment of a protector for a joint part of an infusion circuit according to the present invention, Figure 3 is an exploded perspective view of the protector, Figure 4 is a central vertical sectional view of the protector, and Figure 5 shows an example of an infusion circuit. A perspective view, FIG. 6 is a vertical cross-sectional view showing the process of attaching the protector to the joint of the infusion circuit shown in FIG. 5, from (A) to (C), and FIG. B) is a perspective view showing the state; FIGS. 8 to 1O show a second embodiment of the infusion circuit joint protector of the present invention; FIG. 8 is an exploded perspective view; FIG. 9 is a side view; Figure 10 is a longitudinal cross-sectional view of the main part of the infusion circuit shown in Figure 5 with the protector attached to the joint;
1 to 13 show a third embodiment of the infusion circuit junction protector of the present invention, FIG. 11 is an exploded perspective view, and FIG.
Figure 2 is a longitudinal cross-sectional view of the main part of the infusion circuit shown in Figure 5 with the protector attached to the junction, and Figure 13 is the one with the protector removed along with one joint tube from the state shown in Figure 12. The perspective view, FIG. 14, and FIG. 15 are perspective views each showing a modified example of the case of the protector of the infusion circuit junction of the present invention. Explanation of symbols 1, la, 1b...Protector, 2.2a, 2b...Case, 5.5a, 5b @ one end opening of my case, 7.7a, 7
b...Opening at the other end of the case, 9φ, Kempo inlet, 10, loa, 10be** Chemical solution holding material, 15.21φ
- Joint pipe section, 6 30... Chemical solution holding material, 31 - Self-slit size 1 Figure JP-A-Sho GO-41974 (12) 7? : 3 Kō)・9 Illustrated Fang 10 Illustrated ■ Illustrated Fang 15 Illustrated 7・'＼゛) 5 ゝK) 

Claims (5)

[Claims] (1) It consists of a case that is formed into a substantially cylindrical shape with both ends open, and a drug solution holding material that is installed inside the case and has a substantially cylindrical shape through which the joint tube is inserted. An infusion circuit joint protector, characterized in that an inlet is formed for impregnating the infusion circuit with a medicinal solution. (2) A case formed into a substantially cylindrical shape with both ends open, and a joint pipe portion inserted into the case while being installed inside the case;
and a disinfectant material impregnated with a chemical solution such as a disinfectant solution. (3) Consists of a case formed into a substantially cylindrical shape with both ends open, and a roughly cylindrical chemical solution holding material that is installed inside the case and into which the joint tube section is inserted, and the drug solution holding material expands due to water absorption. An infusion circuit joint, characterized in that it is made of a material with high properties and has an inner diameter larger than an outer diameter of the joint pipe portion and smaller than an inner diameter of the case before being impregnated with a drug solution. Part protector. (4) The infusion circuit joint protector according to claim 3, wherein the drug solution holding material is made of a sponge-like material made of cellulose-based raw material. (5) A case made of a transparent material such as a transparent synthetic resin and formed into a substantially cylindrical shape with both ends open, and a drug solution holding material having a substantially cylindrical shape that is attached to the inside of the case and into which the joint tube portion is inserted. An infusion circuit joint protector (6) characterized in that the drug solution holding material has a slit extending along the axial direction of the case; It consists of a roughly cylindrical chemical solution holding material that is attached to the inside of the case and into which the joint pipe section is inserted, and the case and/or the drug solution holding material is attached to one joint pipe section when it is extracted from the other joint pipe section. An infusion circuit joint protector characterized by having a length that allows it to be removed with the tip of one joint tube section covered.